Security officials with the Los Angeles County Metropolitan Transportation Authority are aware of a possible terror threat to U.S. public transit, but have received no threat specific to their extensive network of light rail and subway lines.

The Los Angeles County Metropolitan Transportation Authority warned Friday that drivers should expect delays around Sepulveda Boulevard in Westwood starting Monday and continuing for three months while
crews do utility work under the road.

The Los Angeles County Metropolitan Transportation Authority has retired the last of its diesel buses to become the first major transit agency in the nation to only operate buses that run on alternative fuel.